A research project is conducted by offering a randomly selected 75 of the 200 local dog owners a chance to have their dogs wear a new flea collar for three months to see if the collar reduces the incidence of fleas. 50 of the 75 randomly selected dog owners agree to the offer, and 25 of those drop out of the study before the end of the three months. Using the intention to treat method, the results from how many of the randomly selected dogs should be included in the research project?
A. 0
B. 25
C. 50
D. 75
Answer: D
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In a simple Keynesian model, an increase in income leads to an increase in
A) savings. B) investment. C) the price level. D) the money supply.
When will a shortage occur in a market?
a. When the actual price is lower than the equilibrium price b. When quantity supplied is greater than the equilibrium quantity c. When the quantity that consumers are willing and able to purchase decreases d. When the quantity available at zero price is insufficient to meet demand e. When a price floor is set in the market
The classical model does a poor job of explaining the __________ because it assumes that the __________ always clears
a. long run; labor market. b. long run; financial market. c. short run; labor market. d. short run; financial market. e. short run; housing market.
A price-taking firm's marginal revenue is ______ the price of its output.
A. equal to B. greater than C. less than D. less than or equal to